Derek J Maetzold Castle Biosciences Inc (CSTL) insider trading activity

Derek J Maetzold is Pres. & Chief Exec. Officer of CASTLE BIOSCIENCES INC. Currently has a direct ownership of 62,988 shares of CSTL, which is worth approximately $1.45 Million. The most recent transaction as insider was on Nov 23, 2020, when has been sold 3,250 shares (Common Stock) at a price of $47.49 per share, resulting in proceeds of $154,343. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 63K

9.61% 3M change

31.28% 12M change

Total Value Held $1.45 Million

DEREK J MAETZOLD Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 23 2020	SELL Open market or private sale	$154,343 $47.49 p/Share	3,250 Reduced 0.24%	1,354,752 Common Stock
Nov 20 2020	SELL Open market or private sale	$188,523 $47.8 p/Share	3,944 Reduced 0.29%	1,358,002 Common Stock
Nov 18 2020	SELL Open market or private sale	$296,125 $47.38 p/Share	6,250 Reduced 0.46%	1,361,946 Common Stock
Nov 17 2020	SELL Open market or private sale	$308,437 $49.35 p/Share	6,250 Reduced 0.45%	1,368,196 Common Stock
Nov 16 2020	SELL Open market or private sale	$315,937 $50.55 p/Share	6,250 Reduced 0.45%	1,374,446 Common Stock
Nov 10 2020	SELL Open market or private sale	$354,881 $48.27 p/Share	7,352 Reduced 0.53%	1,380,696 Common Stock
Nov 09 2020	SELL Open market or private sale	$200,435 $49.49 p/Share	4,050 Reduced 0.29%	1,388,048 Common Stock
Nov 05 2020	SELL Open market or private sale	$324,000 $51.84 p/Share	6,250 Reduced 0.45%	1,392,098 Common Stock
Nov 04 2020	SELL Open market or private sale	$310,938 $49.75 p/Share	6,250 Reduced 0.44%	1,398,348 Common Stock
Nov 03 2020	SELL Open market or private sale	$296,125 $47.38 p/Share	6,250 Reduced 0.44%	1,404,598 Common Stock
Oct 29 2020	SELL Open market or private sale	$52,921 $48.11 p/Share	1,100 Reduced 0.08%	1,410,848 Common Stock
Oct 28 2020	SELL Open market or private sale	$59,652 $49.71 p/Share	1,200 Reduced 0.08%	1,411,948 Common Stock
Oct 21 2020	SELL Open market or private sale	$57,732 $48.11 p/Share	1,200 Reduced 0.08%	1,413,148 Common Stock
Oct 20 2020	SELL Open market or private sale	$49,850 $49.85 p/Share	1,000 Reduced 0.07%	1,414,348 Common Stock
Oct 02 2020	SELL Open market or private sale	$311,580 $51.93 p/Share	6,000 Reduced 0.42%	1,415,348 Common Stock
Oct 01 2020	SELL Open market or private sale	$654,499 $51.78 p/Share	12,640 Reduced 0.88%	1,421,348 Common Stock

DJM

Derek J Maetzold

Pres. & Chief Exec. Officer

Friendswood, TX

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